A.1500 B.100 C.50 D.30
A.細實線,2-3mm,順時針方向45° B.中實線,3-4mm,順時針方向30° C.中粗斜短線,2-3mm,逆時針方向45° D.中粗斜短線,3-4mm,逆時針方向30°
A.1.2倍 B.1.3倍 C.1.4倍 D.1.5倍